DIAMOND CORE DRILLING REFERENCE - Boart Longyear
Core Dia. (in) 1.390 1.732 Bit OD STD (in) 1.875 2.345 Bit OD RSG (in) 1.890 2.360 Bit OD OS (in) N/A N/A Hole Volume (gal/100 ft) 14.6 22.7 Metric Measurement Size LTK 48 LTK 60 Core Dia. (mm) 35.3 44.0 Bit OD STD (mm) 47.6 59.6 Bit OD RSG (mm) 48.0 59.9 Bit OD OS (mm) N/A N/A Hole Volume (L/100 m) 282 451 Copyright © 2014 Boart Longyear. All rights reserved.
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